“urban niche”的概念、定义、翻译、参考文献-科学参考

单词	urban niche
释义	urban niche Encyclopedia 理学〔城市生态学基本概念〕释 urban niche城市生态位一个城市或任何一种人类栖境提供给人们的或可被人们所利用的各种生态因子和生态关系的集合。其中，生态因子包括水、食物、能源、土地、气候、建筑、交通等，生态关系包括生产力水平、环境容量、生活质量与外部系统的关系等。
随便看	separating transcendental basis separating trivalent actinides from lanthanides separating uniformizing coordinate separating unit separating vector separating vertex separation separation and purification of drug separation and purification of radionuclide in environmental samples separation and purification system separation anxiety separation anxiety disorder separation apparatus of strongly magnetic minerals separation apparatus of weakly magnetic minerals separation axiom separation basis separation between revenues and expenditures separation cochain separation cocycle separation condition separation-connection device separation (distillation, extraction and absorption) process control systems separation edge separation energy separation equilibrium

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